1255767Sdes/* $OpenBSD: hostfile.h,v 1.20 2013/07/12 00:19:58 djm Exp $ */
276259Sgreen
365668Skris/*
465668Skris * Author: Tatu Ylonen <ylo@cs.hut.fi>
565668Skris * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
665668Skris *                    All rights reserved
765668Skris *
865668Skris * As far as I am concerned, the code I have written for this software
965668Skris * can be used freely for any purpose.  Any derived versions of this
1065668Skris * software must be clearly marked as such, and if the derived work is
1165668Skris * incompatible with the protocol description in the RFC file, it must be
1265668Skris * called by a name other than "ssh" or "Secure Shell".
1365668Skris */
1458582Skris#ifndef HOSTFILE_H
1558582Skris#define HOSTFILE_H
1658582Skris
1758582Skristypedef enum {
18204917Sdes	HOST_OK, HOST_NEW, HOST_CHANGED, HOST_REVOKED, HOST_FOUND
1958582Skris}       HostStatus;
2076259Sgreen
21221420Sdestypedef enum {
22221420Sdes	MRK_ERROR, MRK_NONE, MRK_REVOKE, MRK_CA
23221420Sdes}	HostkeyMarker;
24221420Sdes
25221420Sdesstruct hostkey_entry {
26221420Sdes	char *host;
27221420Sdes	char *file;
28221420Sdes	u_long line;
29221420Sdes	Key *key;
30221420Sdes	HostkeyMarker marker;
31221420Sdes};
32221420Sdesstruct hostkeys;
33221420Sdes
34221420Sdesstruct hostkeys *init_hostkeys(void);
35221420Sdesvoid	 load_hostkeys(struct hostkeys *, const char *, const char *);
36221420Sdesvoid	 free_hostkeys(struct hostkeys *);
37221420Sdes
38221420SdesHostStatus check_key_in_hostkeys(struct hostkeys *, Key *,
39221420Sdes    const struct hostkey_entry **);
40221420Sdesint	 lookup_key_in_hostkeys_by_type(struct hostkeys *, int,
41221420Sdes    const struct hostkey_entry **);
42221420Sdes
43255767Sdesint	 hostfile_read_key(char **, int *, Key *);
44221420Sdesint	 add_host_to_hostfile(const char *, const char *, const Key *, int);
4558582Skris
46146998Sdes#define HASH_MAGIC	"|1|"
47146998Sdes#define HASH_DELIM	'|'
48146998Sdes
49204917Sdes#define CA_MARKER	"@cert-authority"
50204917Sdes#define REVOKE_MARKER	"@revoked"
51204917Sdes
52146998Sdeschar	*host_hash(const char *, const char *, u_int);
53146998Sdes
5458582Skris#endif
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